Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: fixed a UAF Use-After-Free issue when vma-mm is freed after vma-vmrefcnt has been dropped. By introducing delays in the appropriate places, Jann Horn created a scenario where a UAF issue could occur—a problem that became...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: stm32: fix a refcount leak in stm32usbphycpllenable This error path needs to decrement “usbphyc-npllcons.counter” before returning...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Memory: pl353-smc: Fixed a refcount leak issue in pl353smcprobe. The break in foreachavailablechildofnode requires a corresponding ofnodeput when the reference ‘child’ is no longer used. In this case, we don’t need to call...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: xilinx: vipp: The refcount leak in xvipgraphdmainit has been fixed. The function ofgetchildbyname now returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cpufreq: pmac32-cpufreq: Fixed the refcount leak issue. In pmaccpufreqinitMacRISC3, we need to add the corresponding ofnodeput function for the three node pointers whose refcount has been incremented by offindnodebyname...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: The refcount leak in offlashprobeversatile has been fixed. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer when it is no longer needed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfs: fixed UAF in direct writes In production, we have been encountering the following warnings consistently: ------------ cut here ------------ refcountt: underflow; use-after-free. WARNING: CPU: 17 PID: 1800359 at...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ceph: The “use after free” error was detected by KASAN at the line cephbuffergetarg-xattrbuf;. This means that the reference count could not be incremented before the memory was freed. In the same file, in the handlecapgrant...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: irqchip/realtek-rtl: The refcount leak in mapinterrupts has been fixed. The offindnodebyphandle function returns a node pointer with a incremented refcount. We should use ofnodeput on it when there is no longer a need for it. Thi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: lpc32xxudc: Fixed the refcount leak in lpc32xxudcprobe. The ofparsephandle function returns a node pointer with the refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Add the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: A refcount leak was fixed in the cleanupdev function. The usbgetdev function is called in xillyusbprobe. Therefore, it is better to call usbputdev before releasing the xdev object...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mdiobus: fix unbalanced node reference count I encountered the following issue during the devicemscc-miim load test, with CONFIGOFUNITTEST and CONFIGOFDYNAMIC enabled: OF: Error: memory leak; expected refcount 1 instead of 2...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gpio/rockchip: fixed the refcount leak in rockchipgpiolibregister The node returned by ofgetparent, with the refcount incremented, needs to be called when it is no longer used. Therefore, this issue should be addressed by...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dpaa2-ptp: Fixed the refcount leak in dpaa2ptpprobe. This node pointer is returned by offindcompatiblenode, and the refcount is incremented. Calling ofnodeput helps to address the refcount leak issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/apple-aic: A refcount leak was fixed in aicoficinit. ofgetchildbyname returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Add the missing ofnodeput...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, for the dsa module, in the mv88e6xxx code path, there was a issue with the refcount leak in the mv88e6xxxmdiosregister function. The ofgetchildbyname function returns a node pointer whose refcount is...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: fsl: Fixed a reference count leak in imxsgtl5000probe. The function offindi2cdevicebynode takes a reference; in error-prone paths, we should call putdevice to release that reference, thereby avoiding a reference...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Video: fbdev: clcdfb: Fixed the refcount leak in clcdfbofvramsetup. In clcdfbofvramsetup, ofparsephandle returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Watchdog: ts4800wdt: Fixed the refcount leak in ts4800wdtprobe. ofparsephandle returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Add ofnodeput for all missing execution paths...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: power/reset: arm-versatile: The refcount leak in versatilerebootprobe has been fixed. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer when it is ...